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    • 3. 发明申请
    • COMPOSITE GAMMA-NEUTRON DETECTION SYSTEM
    • 复合GAMMA-NEUTRON检测系统
    • US20140197321A1
    • 2014-07-17
    • US13740075
    • 2013-01-11
    • Joseph BendahanEdward James Morton
    • Joseph BendahanEdward James Morton
    • G01T3/00G01T1/20
    • G01T1/20G01T1/2008G01T3/06
    • The present invention provides a gamma-neutron detector based on mixtures of thermal neutron absorbers that produce heavy-particle emission following thermal capture. The detector consists of one or more thin screens embedded in transparent hydrogenous light guides, which also serve as a neutron moderator. The emitted particles interact with the scintillator screen and produce a high light output, which is collected by the light guides into a photomultiplier tube and produces a signal from which the neutrons are counted. Simultaneous gamma-ray detection is provided by replacing the light guide material with a plastic scintillator. The plastic scintillator serves as the gamma-ray detector, moderator and light guide. The neutrons and gamma-ray events are separated employing Pulse-Shape Discrimination (PSD). The detector can be used in several scanning configurations including portal, drive-through, drive-by, handheld and backpack, etc.
    • 本发明提供了一种基于热中子吸收剂的混合物的γ中子检测器,其在热捕获之后产生重粒子发射。 检测器由一个或多个嵌入在透明氢光导中的薄屏幕组成,也可作为中子调节剂。 发射的颗粒与闪烁体屏幕相互作用并产生高光输出,该光输出由光导收集到光电倍增管中并产生中子被计数的信号。 通过用塑料闪烁体代替导光材料来提供同时的γ射线检测。 塑料闪烁体用作γ射线检测器,调节剂和光导。 使用脉冲形状识别(PSD)分离中子和γ射线事件。 检测器可用于多种扫描配置,包括门禁,驱动器,驱动器,手持和背包等。
    • 6. 发明申请
    • Multi-View Cargo Scanner
    • 多视图货物扫描仪
    • US20110206179A1
    • 2011-08-25
    • US13009765
    • 2011-01-19
    • Joseph Bendahan
    • Joseph Bendahan
    • G01N23/04
    • G01V5/005G01V5/0016
    • The present invention provides a multi-view X-ray inspection system. In one embodiment, a beam steering mechanism directs the electron beam from an X-ray source to multiple production targets which generate X-rays for scanning which are subsequently detected by a plurality of detectors to produce multiple image slices (views). The system is adapted for use in CT systems. In one embodiment of a CT system, the X-ray source and detectors rotate around the object covering an angle sufficient for reconstructing a CT image and then reverse to rotate around the object in the opposite direction. The inspection system, in any configuration, can be deployed inside a vehicle for use as a mobile detection system.
    • 本发明提供一种多视点X射线检查系统。 在一个实施例中,光束转向机构将来自X射线源的电子束引导到产生用于扫描的X射线的多个生产目标,其随后由多个检测器检测以产生多个图像切片(视图)。 该系统适用于CT系统。 在CT系统的一个实施例中,X射线源和检测器围绕物体旋转,覆盖足以重建CT图像的角度,然后以相反方向绕物体旋转。 任何配置的检查系统可以部署在车辆内用作移动检测系统。
    • 7. 发明授权
    • System and method for inspecting containers for target material
    • 用于检查目标材料的容器的系统和方法
    • US07839971B2
    • 2010-11-23
    • US12006119
    • 2007-12-31
    • Joseph BendahanWalter Irving GarmsMengqian Gu
    • Joseph BendahanWalter Irving GarmsMengqian Gu
    • G01N23/04
    • G01N23/046G01N2223/419G01N2223/424G01N2223/639G01V5/0041G01V5/005G01V5/0066
    • A method for automatically inspecting a container for a target material using a computed tomography (CT) scanning system includes performing an initial radiographic scan of the container. Based at least partially on projection data generated during the initial radiographic scan, at least one location within the container is identified that requires CT inspection. A dual energy CT scan of the at least one identified location within the container is performed based on a single energy algorithm or a dual energy algorithm. The dual energy CT scan includes a low energy scan of the at least one identified location and a high energy scan of the at least one identified location. Based on dual energy scan information generated during the dual energy CT scan, a determination is made to confirm or clear an alarm corresponding to the at least one identified location within the container.
    • 使用计算机断层摄影(CT)扫描系统自动检查目标材料的容器的方法包括执行容器的初始放射线照相扫描。 至少部分地基于在初始放射线照相扫描期间产生的投影数据,识别容器内的至少一个位置,其需要CT检查。 基于单能量算法或双能量算法来执行容器内的至少一个识别位置的双能CT扫描。 所述双能量CT扫描包括所述至少一个识别位置的低能量扫描和所述至少一个识别位置的高能量扫描。 基于在双能量CT扫描期间产生的双能量扫描信息,确定确认或清除与容器内的至少一个识别位置相对应的警报。
    • 8. 发明授权
    • Computed tomography cargo inspection system and method
    • 计算机断层扫描货物检验系统及方法
    • US07492862B2
    • 2009-02-17
    • US11654251
    • 2007-01-17
    • Joseph Bendahan
    • Joseph Bendahan
    • G01N23/04
    • G01V5/005G01V5/0041G01V5/0069G01V5/0091
    • An X-ray computed tomography scanning system for inspecting an object includes a platform configured to support the object. The platform is rotatable about an axis and movable in a direction parallel to the axis. At least one X-ray source is fixedly positioned with respect to the platform and configured to transmit radiation through the object. At least one X-ray detector is fixedly positioned with respect to the platform. The at least one X-ray detector is configured to detect the radiation transmitted through the object and generate a signal representative of the detected radiation.
    • 用于检查物体的X射线计算机断层摄影扫描系统包括被配置为支撑物体的平台。 平台可围绕轴线旋转并且可在平行于轴线的方向上移动。 至少一个X射线源相对于平台固定地定位,并且被配置成透射通过物体的辐射。 至少一个X射线检测器相对于平台固定地定位。 所述至少一个X射线检测器被配置为检测透过物体的辐射并产生表示检测到的辐射的信号。
    • 10. 发明授权
    • Covert surveillance using multi-modality sensing
    • 使用多方式感知进行隐蔽监视
    • US08908831B2
    • 2014-12-09
    • US13523604
    • 2012-06-14
    • Joseph BendahanEdward James Morton
    • Joseph BendahanEdward James Morton
    • G01N23/203G01N23/00G01V5/00
    • G01N23/203G01N23/005G01V5/0041G21K1/043
    • The present specification discloses a covert mobile inspection vehicle with a backscatter X-ray scanning system that has an X-ray source and detectors for obtaining a radiographic image of an object outside the vehicle. The system is configured to also simultaneously detect passive radiation. The systems preferably include at least one sensor for determining a distance from at least one of the detectors to points on the surface of the object being scanned, a processor for processing the obtained radiographic image by using the determined distance of the object to obtain an atomic number of each material contained in the object, and one or more sensors to obtain surveillance data from a predefined area surrounding the vehicle.
    • 本说明书公开了一种具有背景散射X射线扫描系统的隐蔽移动检查车辆,其具有用于获得车辆外部的物体的X射线照相图像的X射线源和检测器。 该系统被配置为同时检测被动辐射。 该系统优选地包括至少一个传感器,用于确定从至少一个检测器到待扫描物体表面上的点的距离;处理器,用于通过使用确定的物体距离来获得所获得的放射线照相图像,以获得原子 包含在物体中的每种材料的数量以及从车辆周围的预定区域获得监视数据的一个或多个传感器。